Want to test Flutter app where there is an async call in initState()? Consider using a FutureBuilder if your build method relies on async work. You can also update your test code like this:
TextEditingController makes widget lose its previous state. The explanation for the observed behavior is the following: CupertinoTextField uses an internal TextEditingController for which the framework automatically sets an AutomaticKeepAlive. This keepAlive is responsible for keeping …
Want to use a builder function in flutter? This is your example with the changes:
Flutter animation how to fade in/out gradually. I think you’re on the right track, but you should only use one AnimationController per AnimatedWidget. I fixed some bugs in your code.
Want to achieve this design of Dropdown in flutter? The hint for the DropdownButton and the child for the DropdownMenuItem are just widgets like everything else, so you can put whatever you want in there. …
If you want to disable button after first click in flutter? Instead of using RaisedButton directly, you can turn it into a StatefulWidget. Then use the ChangeNotifier to change it state from enable to disable …
Widget changing but no animation. Try the below example code:
If you want to prevent ripple effect on surrounding InkWell when tapped on InkWell inside. If you want a quick hack, check it out:
If you want to get Json data from firebase notification payload in flutter. If you want get data from notification payload then you need to send your data inside “data” -field of the message.
Flutter Text inside an Expanded Widget within a Column overflowing. Try wrapping your column with ‘Flexible’ instead of expandable. I had the same issue with text overflowing in column and wrapping column itself with ‘flexible’ …
No Directionality widget found. InkWell widgets require a Directionality widget ancestor. You have to add a MaterialApp widget before container, like this:
Local notification flutter. From the plugin sample code if you wanna schedule a notification you have to use a code like that:
Want to make a small rounded rectangle in flutter? You can use your Widget inside Padding. Below is a quick example:
Want to make a POST request in a flutter for web API? I solved the problem by using following code: